[Overdriven]

Losi used to sell GRP tires branded as their own, and they were "rally" tires on white spoke rims (GRP), those were the good ones. The "rally", onroad 1/8 tires they sell now suck. They are premounts on yellow dish wheels, they turn to pizza cutters easily, have tons of sidewalk flex, but they do grip asphalt pretty good. I don't have any links for the ipanema or GRP, but they are on eBay and elsewhere.

Edit, nice project.